This new blog and submission to the GCF Board by Benito Müller argues that it is imperative that the recently launched GCF strategic planning process focus not only on strategic objectives and the like, but also on institutional and governance architecture, and in particular on enhancing complementarity, effectiveness, and efficiency through a division of labour between the GCF as wholesale agent, and other funding entities as specialized retailers, be it in-country (preferably) through Enhanced Direct Access, or through designated international funds, in particular those that will be serving the financial mechanism of the new Paris Agreement.